Electric Toothbrushes

Oral-B iO Series 5 vs Philips Sonicare ProtectiveClean 6100

Oral-B iO Series 5 and Philips Sonicare ProtectiveClean 6100 are midrange rechargeable electric toothbrushes. Oral-B focuses on app-guided brushing, AI recognition, and a round oscillating iO head, while Philips offers sonic brushing, 3 modes with 3 intensities, and up to two weeks of battery life.

Last updated: September 5, 2026

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Oral-B

Oral-B iO Series 5

A rechargeable iO toothbrush with AI brushing recognition, Bluetooth app tracking, smart pressure sensing, five cleaning modes, and a dentist-inspired round brush head.

Philips

Philips Sonicare ProtectiveClean 6100

A sonic electric toothbrush with pressure feedback, 3 brushing modes, 3 intensities, BrushSync mode pairing, replacement reminders, and up to two weeks of use.

0%Oral-B iO Series 5

Philips Sonicare ProtectiveClean 6100100%

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Specifications

FeatureOral-B iO Series 5Philips Sonicare ProtectiveClean 6100

Product typeRechargeable electric toothbrushRechargeable sonic electric toothbrush

Exact model usedOral-B iO Series 5 Customizable Clean Rechargeable Electric Toothbrush, Matte BlackPhilips Sonicare ProtectiveClean 6100 HX6471/03, Deep Purple

Official US price$119.99 (Oral-B direct price)$109.95 (Philips MSRP)

Cleaning technologyOral-B iO micro-vibrations with dentist-inspired round brush headSonic technology

Brush head motionOscillating round head with micro-vibrationsSonic brush movement

Claimed cleaning benefit100% cleaner teeth and healthier gums in 1 week versus a regular manual toothbrushWhitens teeth in 1 week; removes up to 7x more plaque versus a manual toothbrush in technical/disclaimer materials

Brushing modes5 smart brushing modes: Daily Clean, Intense Clean, Sensitive, Super Sensitive, Whitening3 modes: Clean, White, Gum Care

Intensity levelsNot separately specified beyond brushing modes3 intensities: Low, Medium, High

Pressure sensorSmart Pressure Sensor signals too hard, too soft, or just rightPressure sensor vibrates handle to alert user

App / connectivityBluetooth connectivity with Oral-B app and AI brushing recognitionNo app guidance listed for this ProtectiveClean 6100 product page

Position / brushing guidanceOral-B app tracks how and where you brush in real timeBrushSync mode pairing and replacement reminders; no position tracking listed

Brush head recognitionBrush Head TrackerBrushSync recognizes compatible brush heads and selects optimal mode/intensity

TimerBuilt-in 2-minute timerQuadpacer and SmarTimer

Battery lifeLong-lasting lithium-ion battery; exact full-to-empty runtime not listed on Oral-B's official product pageUp to 2 weeks

Battery typeLithium-ion batteryLithium-ion rechargeable battery

ChargingMagnetic charger / charging station includedCompact charging base included

VoltageNot listed on Oral-B's official product page110-220 V

Handle dimensionsHandle only: 18.3 cm / 7.2 in height; handle plus brush head: 24.5 cm / 9.25 in heightNot listed on Philips' official product page

Handle weightHandle only: 117 g / 4.1 oz; handle plus brush head: 124 g / 4.4 ozNot listed on Philips' official product page

Included handle count1 Oral-B iO Series 5 handle1 ProtectiveClean handle

Included brush head1 Oral-B iO Ultimate Clean replacement brush head1 W DiamondClean brush head

Travel case1 hard travel case1 travel case

Warranty2-year Oral-B warranty language on official product page2-year limited warranty

Colors / finishMatte BlackDeep Purple

Pros & Cons

Oral-B iO Series 5 — Pros

✓Bluetooth app tracking and AI brushing recognition are stronger guidance features than Philips offers on this model.

✓Five smart brushing modes give more mode choices than Sonicare 6100.

✓Smart pressure sensor shows too-hard, too-soft, and just-right feedback.

✓Official page lists exact handle height and weight values.

✓Includes charger, hard travel case, and one iO Ultimate Clean replacement brush head.

Oral-B iO Series 5 — Cons

✕Official direct price is slightly higher than Philips Sonicare 6100.

✕Official page does not list a clear full-to-empty runtime in days or weeks.

✕iO brush heads are specific to Oral-B's iO system, so older Oral-B heads are not interchangeable.

✕App-guided brushing can feel unnecessary if you want a simpler no-app routine.

Philips Sonicare ProtectiveClean 6100 — Pros

✓Lower suggested retail price than Oral-B iO Series 5.

✓3 modes plus 3 intensities create more intensity-level control than Oral-B lists.

✓Up to two weeks of operating time is clearly listed in official technical specifications.

✓BrushSync mode pairing and replacement reminders reduce manual setup.

✓Philips lists sonic speed up to 62,000 brush movements per minute.

Philips Sonicare ProtectiveClean 6100 — Cons

✕No app-guided brushing or AI position tracking is listed for this ProtectiveClean 6100 model.

✕Pressure feedback vibrates the handle, but it is less visually descriptive than Oral-B's smart pressure sensor.

✕Official page does not list handle dimensions or weight.

✕Only one W DiamondClean brush head is included in the single-handle package.

Best used for

✦Use real-time app tracking when you want help finding missed brushing areas.

✦Switch between five brushing modes for daily cleaning, whitening, sensitivity, and deeper cleaning.

✦Use the smart pressure sensor to know when you are brushing too hard, too soft, or just right.

✦Choose a round Oral-B brush head when you prefer tooth-by-tooth cleaning around each tooth.

✦Track brush head age with the built-in Brush Head Tracker before replacing refills.

✦Use a two-minute timer to stay aligned with dentist-recommended brushing time.

✦Pack the included hard travel case when taking the toothbrush on trips.

Best used for

✦Brush with sonic technology when you prefer a slim, familiar toothbrush shape.

✦Use Clean, White, and Gum Care modes for everyday cleaning, stain removal, and gum massage.

✦Adjust between low, medium, and high intensity instead of only changing brushing modes.

✦Use BrushSync mode pairing so compatible brush heads trigger the matching brushing mode.

✦Rely on replacement reminders when you want the handle to tell you when a brush head is worn.

✦Travel for up to two weeks on one full charge in regular use.

✦Choose a gentler option for braces, fillings, crowns, veneers, or sensitive orthodontic work.

⚖️

Our Verdict

Choose Oral-B iO Series 5 if you want smarter coaching, AI brushing recognition, Bluetooth app tracking, a round brush head, and pressure feedback that tells you whether you are brushing too hard, too soft, or just right. Choose Philips Sonicare ProtectiveClean 6100 if you prefer sonic brushing, a slimmer traditional brush shape, 3 modes with 3 intensities, BrushSync mode pairing, replacement reminders, and a clearly listed two-week battery life at a slightly lower suggested retail price.

Where to buy Oral-B iO Series 5

See Latest Price on Amazon

Where to buy Philips Sonicare ProtectiveClean 6100

See Latest Price on Amazon

Paid link.

Which One Should You Choose?

Choose Oral-B iO Series 5 if...

→You want app-guided brushing that tracks where and how you brush.

→You want AI brushing recognition rather than simple timer and pressure feedback.

→You prefer Oral-B's small round brush head for tooth-by-tooth cleaning.

→You want five brushing modes instead of three.

→You want pressure feedback that distinguishes too hard, too soft, and just right.

→You already use Oral-B iO brush heads or plan to stay in the iO ecosystem.

→You want official handle height and weight specs before buying.

Choose Philips Sonicare ProtectiveClean 6100 if...

→You want the lower official suggested retail price between these two models.

→You prefer sonic brushing with a slim toothbrush-style handle.

→You want three intensity levels in addition to three brushing modes.

→You want up to two weeks of battery life clearly listed in official specs.

→You want BrushSync mode pairing and brush-head replacement reminders.

→You have braces, fillings, crowns, veneers, or sensitive dental work and want Philips' gentle-use positioning.

→You do not care about app coaching or AI brushing maps.

Frequently Asked Questions

Q: Is Oral-B iO Series 5 better than Philips Sonicare 6100?

A: Oral-B is better if you want app coaching, AI brushing recognition, and a round iO brush head. Philips is better if you want sonic brushing, intensity control, BrushSync, and a lower suggested retail price.

Q: Which toothbrush is cheaper?

A: Philips Sonicare ProtectiveClean 6100 was slightly cheaper at the official direct price, with a $109.95 suggested retail price versus $119.99 for Oral-B iO Series 5.

Q: Which one has app support?

A: Oral-B iO Series 5 lists Bluetooth connectivity and Oral-B app tracking. The checked Philips Sonicare 6100 page does not list app-guided brushing for this model.

Q: Which one has more brushing modes?

A: Oral-B iO Series 5 lists five smart brushing modes. Philips Sonicare 6100 lists three modes, but also adds three intensity levels.

Q: Which has better battery life?

A: Philips is clearer here because its official specs list up to two weeks. Oral-B says the iO Series 5 has a long-lasting lithium-ion battery but does not list an exact full-to-empty runtime on Oral-B's official product page.

Q: Do both toothbrushes have pressure sensors?

A: Yes. Oral-B gives too-hard, too-soft, and just-right pressure feedback, while Philips vibrates the handle to alert the user when pressure is too high.

Q: Which one is better for whitening?

A: Both mention whitening benefits. Oral-B includes a Whitening mode, while Philips lists White mode and says the W2 Optimal White brush head can whiten teeth in one week.

Q: Do they use the same brush heads?

A: No. Oral-B iO Series 5 uses Oral-B iO brush heads, while Philips Sonicare 6100 uses click-on Sonicare brush heads with BrushSync support.

Sources & References

Prices, features and specifications in this comparison were verified from official sources.

Last verified: September 2026

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